... penetrating, but does not affect permeability to gases and water vapour.WP03(E) has the following advantages, ... )APPLICATIONS:Stone, wood, fabric, reinforced concrete buildings, roof, internal and external walls, brick, concrete block brick, colored pavers, airport runways ... board, flooring, boxes, etc., also for corrosion and waterproof and extending life of ancient building. silane water RJ-WP03E ...